3.1
3.11
a:
b:
c:
C++
CLIENT/SERVER
d:
FAT16
FAT32
I/O
input/output
M/B
moderator/demoderator
OS/2
peer-to-peer
POP1
POP2
POP3
PS/2
TCP/IP
а:
с:
си++
СИ++
бит/с
Unix-to-Unix
terminate-and-stay